Skeletal System

Question 1

True or False? A torn ligament causes a sprain.

Answer 1

True

Question 2

True or False? Low strength bones easily break.

Answer 2

True

Question 3

True or False? Immune system attack causes amenorrhea.

Answer 3

True

Question 4

True or False? Greenstick is a type of fracture.

Answer 4

True

Question 5

True or False? Bursitis is an inflammation of bursae.

Answer 5

True

Question 6

What is rheumatoid arthritis?

Answer 6

Immune system attacks joints; debilitating and painful

Question 7

What is osteoarthritis?

Answer 7

Degeneration of articular cartilage; pain, stiffness, swelling are symptoms

Question 8

What are the three abnormal spinal curvatures?

Answer 8

• Lordosis (lower back)
• Kyphosis (upper back – ‘humpback’)
• Scoliosis (lateral – spine creates ‘S’)

Question 9

What is the function of intervertebral discs?

Answer 9

Located between vertebrae; shock absorbers; allow flexibility

Question 10

What are the parts of the thoracic cage?

Answer 10

• Sternum
• Ribs (true, false, floating)

Question 11

True or False? All ribs are true ribs.

Answer 11

False

Question 12

True or False? The facial bones surround the brain.

Answer 12

False

Question 13

True or False? The sphenoid bone is part of the cranium.

Answer 13

True

Question 14

True or False? There are 4 regions in the spine.

Answer 14

False

Question 15

True or False? Intervertebral discs allow spinal flexibility.

Answer 15

True

Question 16

What are the regions of the spine?

Answer 16

• Cervical (7)
• Thoracic (12)
• Lumbar (5)
• Sacrum (1)
• Coccyx (1)

Question 17

What are the curves of the spine?

Answer 17

• Cervical curve
• Thoracic curve
• Lumbar curve
• Sacral curve

Question 18

What are the cranial bones?

Answer 18

• Frontal bone
• Parietal bones (2)
• Temporal bones (2)
• Occipital bone
• Ethmoid bone
• Sphenoid bone

Question 19

What are the facial bones?

Answer 19

• Maxillary bones (2)
• Palatine bones (2)
• Zygomatic bones (2)
• Lacrimal bones (2)
• Nasal bones (2)
• Vomer
• Inferior concha bones (2)
• Mandible

Question 20

What is the function of tendons?

Answer 20

Connect muscles to bones

Question 21

What is the function of ligaments?

Answer 21

Connect bones to bones

Question 22

What is osteoporosis?

Answer 22

Age-related condition where bones lose strength; common in elderly individuals, usually women

Question 23

What is the female athlete triad?

Answer 23

Involves disordered eating, amenorrhea, and osteoporosis due to low body weight for a long time

Question 24

What type of fracture is a greenstick fracture?

Answer 24

Incomplete break

Question 25

What is a stress fracture?

Answer 25

Tiny, painful cracks in bone from overuse

Question 26

What is a comminuted fracture?

Answer 26

Complete fracture that splinters the bone

Question 27

What causes a spiral fracture?

Answer 27

Twisting of bone excessively

Question 28

What is an epiphyseal injury?

Answer 28

Injury to the growth plate that can affect bone growth

Question 29

What is bursitis?

Answer 29

Inflammation of bursae; often causes pain and swelling

Question 30

Fill in the blank: The proximal bone of the arm is the __________.

Answer 30

humerus

Question 31

Fill in the blank: The tarsals are found in the __________.

Answer 31

foot

Question 32

Fill in the blank: The scapula and clavicle make up the __________.

Answer 32

shoulder complex

Question 33

Fill in the blank: The ilium is part of the __________.

Answer 33

pelvic girdle

Question 34

What are the categories of joints?

Answer 34

* Synarthroses (immovable) * Amphiarthroses (slightly movable) * Diarthroses (freely movable)

Question 35

What are the functions of the skeletal system?

Answer 35

* Support * Protection * Movement * Storage * Blood cell formation

Question 36

What are osteocytes?

Answer 36

Mature bone cells

Question 37

What do osteoblasts do?

Answer 37

Build bone tissue

Question 38

What do osteoclasts do?

Answer 38

Break down bone tissue

Question 39

What is ossification?

Answer 39

Bone formation

Question 40

What is the difference between hypertrophy and atrophy of bones?

Answer 40

* Hypertrophy: stronger bones * Atrophy: weaker bones

Question 41

What are the shape categories of bones?

Answer 41

* Long * Short * Flat * Irregular